Efficient generation and multiplexing of optical orbital angular momentum modes in a ring fiber by using multiple coherent inputs

Terabit free-space data transmission employing orbital angular momentum multiplexing

(2012) Jian Wang et al.   Nature Photonics

Demonstration of free space coherent optical communication using integrated silicon photonic orbital angular momentum devices

(2012) Tiehui Su et al.   OPTICS EXPRESS

Fiber structure to convert a Gaussian beam to higher-order optical orbital angular momentum modes

(2012) Yan Yan et al.   OPTICS LETTERS

Mode-Division Multiplexing Over 96 km of Few-Mode Fiber Using Coherent 6$\,\times\,$6 MIMO Processing

(2011) Roland Ryf et al.   JOURNAL OF LIGHTWAVE TECHNOLOGY

Fiber coupler for generating orbital angular momentum modes

(2011) Yan Yan et al.   OPTICS LETTERS

Seven-core multicore fiber transmissions for passive optical network

(2010) B. Zhu et al.   OPTICS EXPRESS

Generation and propagation of radially polarized beams in optical fibers

(2009) Siddharth Ramachandran et al.   OPTICS LETTERS